It’s not just the lodgepole pines that are dying in the Colorado mountains. Thirteen percent of aspen trees in the state are now affected by Sudden Aspen Decline, which is caused by disease and ...

GRAND JUNCTION, Colo. (KREX) — Thousands head to the Colorado high country as fall transforms aspen trees to shimmering gold and fiery orange groves of color, but this year is different. While experts ...

Gardening season is underway, and you may have questions. For answers, turn to Ask an Expert, an online question-and-answer tool from Oregon State University’s Extension Service. OSU Extension faculty ...

A gang of Western tent caterpillars have taken up residence in acres of aspen trees north of Durango in the San Juan National Forest. The insects construct their silken tents on aspen tree branches ...

Question: What’s the difference between a popple tree and an aspen? I hear the terms used interchangeably. Answer: Popple (or poplar) are common names for aspen trees because their genus is populus, ...

Warming temperatures continuously impact mankind, wildlife, major corporations and propositions at all levels of government, but for Flagstaff forests, climate change is a catalyst for countless ...

PHOENIX — Arizona's aspen trees are an iconic symbol of fall, drawing thousands of hikers and photographers to the high country every year. However, research out of Northern Arizona University ...

We planted aspen trees several years ago and they have done well. We started with three trees and they now number 30 or so. We are now threatened by tiny little "eggshells" on some of the trees. We've ...

After the summer months when tourism is tapering off in Flagstaff, the changing colors of the aspen trees bring people up the mountain to peep the rainbow of leaves on the San Francisco Peaks and ...

FLAGSTAFF, Ariz. (AP) — As flurries started to descend on the forest floor, a team of researchers examined a stand of sickly quaking aspen trees off U.S. Highway 180, just north of Flagstaff. To an ...

For 30 years, Aspen has held the title of Tree City USA, one granted by the Arbor Day Foundation to communities that meet four requirements: The city must maintain a tree board or department, meaning ...